内地壳和上地幔S波速度结构与强震的关系和强震活动的深部背景进行了探讨。
Study to the relation between strong earthquakes and S-wave velocity structures in the crust and upper mantle in the studied area.
信浓川地震带位于日本大地沟北部，地壳运动十分强烈，区内地震主要沿信浓川流域发生，并密集成带，大地构造上处于日本海板块向本州板块俯冲的边界线上。
The Shinanogawa seismic belt, which is developed in the Northern Fossa Magna, Honshu Island, Japan, extends along the Shinano River bounding the Eurasian Plate and the Okhotsk Plate.
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